<template>
  <div class="app-container calendar-list-container">
    <basic-container>
      <avue-crud
        ref="crud"
        v-model="form"
        :page.sync="page"
        :permission="permissionList"
        :table-loading="tableLoading"
        :data="tableData"
        :option="tableOption"
        @on-load="getList"
        @row-save="handleSave"
        @row-update="handleUpdate"
        @row-del="handleDel"
        @size-change="sizeChange"
        @current-change="currentChange"
        @search-change="searchChange"
        @refresh-change="refreshChange"
        :before-open="beforeOpen"
      >
        <template slot="dsScopeForm" slot-scope="scope">
          <div v-if="form.dsType == 1">
            <el-tree
              ref="scopeTree"
              :data="dsScopeData"
              :check-strictly="true"
              :props="defaultProps"
              :default-checked-keys="checkedDsScope"
              class="filter-tree"
              node-key="id"
              highlight-current
              show-checkbox
            />
          </div>
        </template>

        <template slot="menu" slot-scope="scope">
          <el-button v-if="permissions.sys_role_perm" type="text" size="small" icon="el-icon-plus" @click="handlePermission(scope.row, scope.index)">权限</el-button>
        </template>
      </avue-crud>
    </basic-container>

    <el-dialog :visible.sync="dialogPermissionVisible" :close-on-click-modal="false" title="分配权限">
      <div class="dialog-main-tree">
        <el-tree
          ref="menuTree"
          :data="treeData"
          :default-checked-keys="checkedKeys"
          :check-strictly="false"
          :props="defaultProps"
          :filter-node-method="filterNode"
          class="filter-tree"
          node-key="id"
          highlight-current
          show-checkbox
          default-expand-all
        />
      </div>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" size="small" @click="updatePermession(roleId)">更 新</el-button>
        <el-button type="default" size="small" @click="cancal()">取消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {fetchList, addObj, putObj, delObj, permissionUpdate} from "@/api/admin/role";
import {tableOption} from "./role.js";
import {fetchTree as fetchDeptTree} from "@/api/admin/dept";
import {fetchMenuTree, fetchMenuByRoleId} from "@/api/admin/menu";
import {mapGetters} from "vuex";

export default {
  name: "TableRole",
  data() {
    return {
      form: {},
      searchForm: {},
      tableLoading: true,
      tableData: [],
      tableOption: tableOption,
      page: {
        total: 0, // 总页数
        currentPage: 1, // 当前页数
        pageSize: 20 // 每页显示多少条
      },

      //dsScope数据权限相关
      dsScopeData: [],
      checkedDsScope: [],
      defaultProps: {
        label: "name",
        value: "id"
      },

      //权限相关
      dialogPermissionVisible: false,
      treeData: [],
      checkedKeys: [],

      menuIds: "",
      roleId: undefined,
      roleCode: undefined,
      rolesOptions: undefined
    };
  },

  computed: {
    ...mapGetters(["elements", "permissions"]),
    permissionList() {
      return {
        addBtn: this.vaildData(this.permissions.sys_role_add, false),
        editBtn: this.vaildData(this.permissions.sys_role_edit, false),
        delBtn: this.vaildData(this.permissions.sys_role_del, false),
        permBtn: this.vaildData(this.permissions.sys_role_perm, false)
      };
    }
  },
  methods: {
    getList(page, params) {
      this.tableLoading = true;
      fetchList(
        Object.assign(
          {
            current: page.currentPage,
            size: page.pageSize,
            descs: ["create_time"]
          },
          params,
          this.searchForm
        )
      )
        .then(response => {
          this.tableData = response.data.data.records;
          this.page.total = response.data.data.total;
          this.tableLoading = false;
        })
        .catch(() => {
          this.tableLoading = false;
        });
    },
    handleSave: function(row, done, loading) {
      if (row.dsType === 1) {
        row.dsScope = this.$refs.scopeTree.getCheckedKeys().join(",");
      }
      addObj(row).then(() => {
        this.$message.success("创建成功");
        this.getList(this.page);
        done();
      });
    },
    handleUpdate: function(row, index, done, loading) {
      if (row.dsType === 1) {
        row.dsScope = this.$refs.scopeTree.getCheckedKeys().join(",");
      }
      putObj(row).then(() => {
        this.$message.success("修改成功");
        this.getList(this.page);
        done();
      });
    },
    handleDel: function(row, index) {
      this.$confirm("是否确认删除角色名：" + row.name + "", "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      })
        .then(function() {
          return delObj(row);
        })
        .then(() => {
          this.getList(this.page);
          this.$message.success("删除成功");
        });
    },
    sizeChange(pageSize) {
      this.page.pageSize = pageSize;
    },
    currentChange(current) {
      this.page.currentPage = current;
    },
    refreshChange() {
      this.getList(this.page);
    },
    searchChange(form, done) {
      this.searchForm = form;
      this.page.currentPage = 1;
      this.getList(this.page, form);
      done();
    },
    beforeOpen(show, type) {
      fetchDeptTree().then(response => {
        this.dsScopeData = response.data.data;

        if (this.form.dsScope) {
          this.checkedDsScope = this.form.dsScope.split(",");
        } else {
          this.checkedDsScope = [];
        }
      });
      show();
    },


    //分配权限相关操作
    cancal() {
      this.dialogPermissionVisible = false;
    },
    handlePermission(row) {
      fetchMenuByRoleId(row.id)
        .then(response => {
          this.checkedKeys = response.data.data;
          return fetchMenuTree();
        })
        .then(response => {
          this.treeData = response.data.data;
          // 解析出所有的太监节点
          this.checkedKeys = this.resolveAllEunuchNodeId(this.treeData, this.checkedKeys, []);
          this.dialogPermissionVisible = true;
          this.roleId = row.id;
          this.roleCode = row.code;
        });
    },
    /**
     * 解析出所有的太监节点id
     * @param json 待解析的json串
     * @param idArr 原始节点数组
     * @param temp 临时存放节点id的数组
     * @return 太监节点id数组
     */
    resolveAllEunuchNodeId(json, idArr, temp) {
      for (let i = 0; i < json.length; i++) {
        const item = json[i];
        // 存在子节点，递归遍历;不存在子节点，将json的id添加到临时数组中
        if (item.children && item.children.length !== 0) {
          this.resolveAllEunuchNodeId(item.children, idArr, temp);
        } else {
          temp.push(idArr.filter(id => id === item.id));
        }
      }
      return temp;
    },
    filterNode(value, data) {
      if (!value) return true;
      return data.label.indexOf(value) !== -1;
    },

    updatePermession(roleId) {
      this.menuIds = "";
      this.menuIds = this.$refs.menuTree
        .getCheckedKeys()
        .join(",")
        .concat(",")
        .concat(this.$refs.menuTree.getHalfCheckedKeys().join(","));
      permissionUpdate(roleId, this.menuIds).then(() => {
        this.dialogPermissionVisible = false;
        this.$message.success("修改成功");
      });
    }
  }
};
</script>

<style lang="scss" scoped>
.el-dialog__wrapper {
  .el-dialog {
    width: 61% !important;
    .dialog-main-tree {
      max-height: 400px;
      overflow-y: auto;
    }
  }
  .el-form-item__label {
    width: 20% !important;
    padding-right: 20px;
  }
  .el-form-item__content {
    margin-left: 20% !important;
  }
}
</style>
